<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>购物车</title>

	<%-- 静态包含 base标签、css样式、jQuery文件 --%>
	<%@ include file="/pages/common/head.jsp"%>

	<script type="text/javascript">
		$(function (){

			$("a.delBtn").click(function (){
				return  confirm("你确定要删除【"+$(this).parent().parent().find("td:first").text()+"】")
			});

			/*清空购物车*/
			$("#clearCar").click(function (){
				return confirm("你确定要清空购物车吗？")
			})

			//修改图书的数量
			$(".updateCount").change(function (){
				//获取商品名称
				var name = $(this).parent().parent().find("td:first").text();
				var id = $(this).attr('bookId');
				//获取商品数量
				var count =this.value;
				if ( confirm("你确定要将【" + name + "】商品修改数量为：" + count + " 吗?") ) {
					//发起请求。给服务器保存修改
					location.href =
							"${pageContext.request.contextPath}/carServlet?action=updateCount&count="+count+"&id="+id;
				} else {
					// defaultValue 属性是表单项 Dom 对象的属性。它表示默认的 value 属性值。
					this.value = this.defaultValue;
				}
			})
		})
	</script>

</head>
<body>
	
	<div id="header">
			<img class="logo_img" alt="" src="static/img/logo.gif" >
			<span class="wel_word">购物车</span>

		<%--静态包含，登录 成功之后的菜单 --%>
		<%@ include file="/pages/common/login_success_menu.jsp"%>


	</div>
	
	<div id="main">
	
		<table>
			<tr>
				<td>商品名称</td>
				<td>数量</td>
				<td>单价</td>
				<td>金额</td>
				<td>操作</td>
			</tr>

			<%--session中没有购物车--%>
			<c:if test="${empty sessionScope.car.items}">
				<tr>
					<td colspan="5"><a href="index.jsp">亲，当前购物车为空！快跟小伙伴们去浏览商品吧！！！</a>
					</td>
				</tr>
			</c:if>

			<c:if test="${not empty sessionScope.car}">
				<c:forEach items="${sessionScope.car.items}" var="item">
					<tr>
						<td>${item.value.name}</td>
						<td>
							<input type="text" class="updateCount" bookId="${item.value.id}" value="${item.value.count}" style="width: 80px">
						</td>
						<td>${item.value.price}</td>
						<td>${item.value.totalPrice}</td>
						<td><a class="delBtn" href="${pageContext.request.contextPath}/carServlet?action=deleteItem&id=${item.value.id}">删除</a></td>
					</tr>
				</c:forEach>
			</c:if>




			
		</table>
		<c:if test="${not empty sessionScope.car.items}">
			<div class="cart_info">
				<span class="cart_span">购物车中共有<span class="b_count">${sessionScope.car.totalCount}</span>件商品</span>
				<span class="cart_span">总金额<span class="b_price">${sessionScope.car.totalPrice}</span>元</span>
				<span id="clearCar" class="cart_span"><a href="${pageContext.request.contextPath}/carServlet?action=clearItem">清空购物车</a></span>
				<span class="cart_span"><a href="pages/cart/checkout.jsp">去结账</a></span>
			</div>
		</c:if>

	</div>


	<%--静态包含页脚内容--%>
	<%@include file="/pages/common/footer.jsp"%>


</body>
</html>